美国NARDA公司SEM133TSP3TDC-18GHz450W28V***A射频微波继电器同轴开关质量包好，包能用可提供详细测试图请放心购买频率范围：DC-18GHz带内匹配50欧姆负载插损：0.4dB隔离度：80dB输入***大功率：450W工作电压：28V***资料http:///east/p?m=Products&e=getPdf&id=5136ModelNumber:SEM133TSP3T***A(F)DC-18GHzModelNumberSEM133TFeaturesSP3T(***A),NormallyOpen,Terminated,IndicatorCktActuatingCurrent140mA@28Vdc&25°CFrequencyRange(GHz)DC-18InsertionLossdB(max)DC-3GHz0.2InsertionLossdB(max)3-8GHz0.3InsertionLossdB(max)8-12.4GHz0.4InsertionLossdB(max)12.4-18GHz0.5VSWR(max)DC-3GHz1.2:1VSWR(max)3-8GHz1.3:1VSWR(max)8-12.4GHz1.4:1VSWR(max)12.4-18GHz1.5:1IsolationdB(min)DC-3GHz80IsolationdB(min)3-8GHz70IsolationdB(min)8-12.4GHz60IsolationdB(min)12.4-18GHz60IndicatorCircuitryIncludedTermination50OHMSIncludedSpecSheet(download)ViewPDF)